CN203157839U - External sound on car roof - Google Patents
External sound on car roof Download PDFInfo
- Publication number
- CN203157839U CN203157839U CN 201320144306 CN201320144306U CN203157839U CN 203157839 U CN203157839 U CN 203157839U CN 201320144306 CN201320144306 CN 201320144306 CN 201320144306 U CN201320144306 U CN 201320144306U CN 203157839 U CN203157839 U CN 203157839U
- Authority
- CN
- China
- Prior art keywords
- external sound
- sound equipment
- car roof
- audio
- power amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Circuit For Audible Band Transducer (AREA)
Abstract
The utility model belongs to the technical field of vehicle electronics, and particularly relates to an external sound on a car roof. The external sound comprises a voice box, a power amplifier and a loudspeaker, wherein the car roof is connected with the voice box of the sound through two connecting bodies, the power amplifier inside the voice box is connected with a wifi voice frequency module through a voice frequency wire, signals are received through the wifi voice frequency module, and the same content can be played in a plurality of cars synchronously.
Description
Technical field
The utility model belongs to technical field of automotive electronics, is specifically related to the external sound equipment of a kind of roof.
Background technology
Present auto audio equipment is built-in sound equipment, only can hear the sound that sound equipment sends in car, function singleness, and for party, meeting and training occasion can't be heard the sound that sound equipment sends outside car, brought inconvenience for people's trip and life.
Summary of the invention
At the problem of above-mentioned existence, the utility model provides a kind of roof external sound equipment.
The external sound equipment of roof of the present utility model comprises audio amplifier, power amplifier and loud speaker, and main points are that the top of car links to each other with the audio amplifier of sound equipment by two connectors, the power amplifier of audio amplifier inside links to each other with the wifi audio-frequency module by tone frequency channel wire.
Described connector is magnet, glue or top holder.
The beneficial effects of the utility model are: receive signal by the wifi audio-frequency module, many cars can be play identical content synchronously.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Among the figure: 1 car, 2 connectors, 3 audio amplifiers, 4 power amplifiers, 5 tone frequency channel wires, 6wifi audio-frequency module.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
The external sound equipment of example 1. roofs of the present utility model, comprise audio amplifier 3, power amplifier 4 and loud speaker, the top of car 1 links to each other with the audio amplifier 3 of sound equipment by connector 2, connector 2 is elected magnet as, two magnet fix by bolt and audio amplifier 3, and the power amplifier 4 of audio amplifier 3 inside links to each other with wifi audio-frequency module 6 by tone frequency channel wire 5.
With the sound equipment energising, wifi audio-frequency module 6 receives wireless signal, and many cars can be play identical content synchronously.
Example 2. structures of the present utility model be connected identically with embodiment 1, difference is that connector 2 elects glue as.
Example 3. structures of the present utility model be connected identically with embodiment 1, difference is that connector 2 elects top holder as.
Claims (2)
1. the external sound equipment of roof comprises audio amplifier, and power amplifier and loud speaker is characterized in that the top of car links to each other with the audio amplifier of sound equipment by two connectors, and the power amplifier of audio amplifier inside links to each other with the wifi audio-frequency module by tone frequency channel wire.
2. the external sound equipment of a kind of roof as claimed in claim 1 is characterized in that connector is magnet, glue or top holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320144306 CN203157839U (en) | 2013-03-27 | 2013-03-27 | External sound on car roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320144306 CN203157839U (en) | 2013-03-27 | 2013-03-27 | External sound on car roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203157839U true CN203157839U (en) | 2013-08-28 |
Family
ID=49019049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320144306 Expired - Fee Related CN203157839U (en) | 2013-03-27 | 2013-03-27 | External sound on car roof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203157839U (en) |
-
2013
- 2013-03-27 CN CN 201320144306 patent/CN203157839U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20150327 |
|
| EXPY | Termination of patent right or utility model |